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--- Libc/Libc-262/stdio/findfp.c
+++ /dev/null
@@ -1,184 +0,0 @@
-/*
- * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-/*
- * Copyright (c) 1990, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Chris Torek.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-
-#include <sys/param.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include "local.h"
-#include "glue.h"
-
-int __sdidinit = 0;
-
-#define NDYNAMIC 10 /* add ten more whenever necessary */
-
-#define std(flags, file) \
- {0,0,0,flags,file,{0},0,__sF+file,__sclose,__sread,__sseek,__swrite}
-/* p r w flags file _bf z cookie close read seek write */
-
- /* the usual - (stdin + stdout + stderr) */
-static FILE usual[FOPEN_MAX - 3];
-static struct glue uglue = { 0, FOPEN_MAX - 3, usual };
-
-FILE __sF[3] = {
- std(__SRD, STDIN_FILENO), /* stdin */
- std(__SWR, STDOUT_FILENO), /* stdout */
- std(__SWR|__SNBF, STDERR_FILENO) /* stderr */
-};
-struct glue __sglue = { &uglue, 3, __sF };
-
-static struct glue *
-moreglue(n)
- register int n;
-{
- register struct glue *g;
- register FILE *p;
- static FILE empty;
-
- g = (struct glue *)malloc(sizeof(*g) + ALIGNBYTES + n * sizeof(FILE));
- if (g == NULL)
- return (NULL);
- p = (FILE *)ALIGN(g + 1);
- g->next = NULL;
- g->niobs = n;
- g->iobs = p;
- while (--n >= 0)
- *p++ = empty;
- return (g);
-}
-
-/*
- * Find a free FILE for fopen et al.
- */
-FILE *
-__sfp()
-{
- register FILE *fp;
- register int n;
- register struct glue *g;
-
- if (!__sdidinit)
- __sinit();
- for (g = &__sglue;; g = g->next) {
- for (fp = g->iobs, n = g->niobs; --n >= 0; fp++)
- if (fp->_flags == 0)
- goto found;
- if (g->next == NULL && (g->next = moreglue(NDYNAMIC)) == NULL)
- break;
- }
- return (NULL);
-found:
- fp->_flags = 1; /* reserve this slot; caller sets real flags */
- fp->_p = NULL; /* no current pointer */
- fp->_w = 0; /* nothing to read or write */
- fp->_r = 0;
- fp->_bf._base = NULL; /* no buffer */
- fp->_bf._size = 0;
- fp->_lbfsize = 0; /* not line buffered */
- fp->_file = -1; /* no file */
-/* fp->_cookie = <any>; */ /* caller sets cookie, _read/_write etc */
- fp->_ub._base = NULL; /* no ungetc buffer */
- fp->_ub._size = 0;
- fp->_lb._base = NULL; /* no line buffer */
- fp->_lb._size = 0;
- return (fp);
-}
-
-/*
- * XXX. Force immediate allocation of internal memory. Not used by stdio,
- * but documented historically for certain applications. Bad applications.
- */
-void
-f_prealloc()
-{
- register struct glue *g;
- int n;
-
- n = getdtablesize() - FOPEN_MAX + 20; /* 20 for slop. */
- for (g = &__sglue; (n -= g->niobs) > 0 && g->next; g = g->next)
- /* void */;
- if (n > 0)
- g->next = moreglue(n);
-}
-
-/*
- * exit() calls _cleanup() through *__cleanup, set whenever we
- * open or buffer a file. This chicanery is done so that programs
- * that do not use stdio need not link it all in.
- *
- * The name `_cleanup' is, alas, fairly well known outside stdio.
- */
-void
-_cleanup()
-{
- /* (void) _fwalk(fclose); */
- (void) _fwalk(__sflush); /* `cheating' */
-}
-
-/*
- * __sinit() is called whenever stdio's internal variables must be set up.
- */
-void
-__sinit()
-{
- /* make sure we clean up on exit */
- __cleanup = _cleanup; /* conservative */
- __sdidinit = 1;
-}